(a)  
Pull back sidewall carpet slightly and loosen screws securing adjustable top edge of riser panel.

(b)  
Move top edge of riser panel up or down as necessary to engage all three tabs on window panel.

(c)  
Tighten screws to secure top edge of riser panel and push carpet back into place.

(5)  
Install lining fasteners along each side of window panel.

(a)  
On the upper attachments insert window panel retainer through gap between panels and rotate 90 degrees to engage both panels.

(b)  
On the lower attachments place retaining washer and quick-release fastener in position in gap between window panels.

(c)  
Engage quick-release fasteners by rotating 90 degrees.

(6)  
Install trim strip at each side of window panel.

(a)  
Insert slotted end of trim strip into gap between window panels at bottom edge of panels.

(b)  
Push trim strip up until spring clip-on air conditioning duct engages slot in upper end of trim strip.

(7)  
Install any passenger equipment removed for access to window panel.

(8)  
Close WINDOW LIGHTS circuit breaker on panel P18.

(9)  
Check that window light on sidewall panel operates properly.

533 
52-32-81 Page 406  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Nov 15/71 

MAIN CARGO DOOR INSULATION - REMOVAL/INSTALLATION
1. General
A.  Removal and installation of all or any part of the door insulation may be accomplished. Due to the variety of installation methods, only general instructions are given.
2.  Remove Main Cargo Door Insulation (See figure 401.)
A.  Remove one or more components of door lining as required in order to gain access to any particular section of door insulation. (See Main Cargo Door Lining - Removal/Installation, 52-32-81.)
B.  Remove heating blankets as required. Refer to Chapter 21.
C.  Remove retainers as required.
D.  When all obstructions have been removed; remove insulation panels. (In some places, it may be necessary to peel the panel free of the velcro tape which is used to retain it against door structure.) (See figure 401.)
E.  Mark insulation components as they are removed for proper location when reinstalling.
3.  Install Main Cargo Door Insulation
A.  Position insulation panels in proper location on door.
(1)  
When installing insulation panels around windows, ensure that the blanket contacts the window reveal around the entire window periphery, with no gaps, to form an air seal.

(2)  
When installing the insulation panels that are held in place with velcro tape, it is necessary to align the tape on the panel with the tape that is bonded to door structure before pressing panel outboard to make tapes contact.

511 
Aug 15/68  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  52-32-91 Page 401 

Main Cargo Door Insulation Installation  511 
52-32-91  Figure 401  Aug 15/68 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

B.  Install retainers where applicable.
C.  Ensure that all insulation components are in proper places so as not to interfere with door lining or other equipment mounted on the cargo door.
D.  Install heating blankets removed in step 2.B. Refer to Chapter 21.
E.  Install door lining components that were removed to facilitate door insulation removal. (See Main Cargo Door Lining - Removal/Installation, 52-32-81.)
511 
Aug 15/68  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  52-32-91 Page 403 

MAIN CARGO DOOR CANOPY POSITION SWITCHES - ADJUSTMENT/TEST
1. General
A.  All switch adjustments are to be made with the main cargo door in the canopy position (actuator extended to the ram lock position). The door should be operated manually when making switch adjustment/test. The ram lock position is obtained by raising door to just above canopy position and then lowering it until stopped by the internal lock of the lift actuator. Access to the switches is gained by removing the aft curved ceiling panel adjacent to the main cargo door. Refer to Chapter 25, Ceiling Lining.
B.  Both rollers on the cam arm should contact the surface of the bellcrank. Minor adjustments in arm position may be done by repositioning the switch support bracket. (See figure 501.) When only one roller contacts the bellcrank surface, all shimming shall be accomplished at this point.
　
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